Known Issues and Limitations

The subject of a message is displayed in encoded format if the Subject Header contains
UTF-8-encoded, Non-ASCII text. (SEA-229)

Email addresses that start with "#" will be rejected by ldap recipient validation,
because they are interpreted as comments (SEA-151).

PDF attachments are sometimes uuencoded by mail clients or MTAs. When using SPX, this
uuencoded PDF will be sent as a file inside the SPX PDF. As a result, recipients may be
unable to view the original PDF attachment, as it will remain uuencoded even after the SPX
email has been successfully opened (SEA-184).

If you use square brackets ( "[" and "]" ) in a certificate description, then click the
certificate’s description in the Certificates section of the Configuration > System > Certificates page, a blank Certificate Details dialog box will be
displayed. When this happens, you may not be able to download or back up the certificate
(SEA-90).

If an outbound policy has been configured with a main action of "reject", a non-delivery
report (NDR) message will be generated, but the NDR will not be delivered to the original
sender. You should instead configure your outbound policy with a main action of "discard",
then configure an additional action to notify the sender that the message was not
delivered (DEF81342).

For the purposes of SPX secure reply, the appliance determines whether a message is
inbound or outbound by comparing whether the recipient’s domain appears in the list of
incoming mail domains. A message to an external recipient may be considered inbound if you
have configured your appliance to use an incoming mail domain that is the same as the
recipient’s domain name. This in turn may affect any policy rules that are configured to
use SPX encryption only for outbound messages.

Quarantined email messages that contain & in the local part
of the recipient email address will not be processed correctly if they are released from
the quarantine. Instead, the part of the address preceding the
& will be truncated (DEF27370).

When using certain special characters in quarantine search fields, the characters will
match anything in the quarantine, resulting in searches that return all messages in the
quarantine. The special characters include, but are not limited to:
!@#$%^() (DEF39108).

If the system timezone and the admin timezone are different, and the difference of
hours is not a whole number, administrators may be unable to change time and date settings
(DEF39154).

No alerts are sent and LDAP synchronization fails when an appliance drops out of a
cluster. The alert is only sent when the missing appliance rejoins the cluster, but LDAP
synchronization continues to fail (DEF40304).

Changes to custom alias maps may take up to an hour to take effect. Turning alias maps
off and then on causes changes to the alias maps to take effect immediately.

If a community string contains one or more space characters, the multiple space
characters are displayed as single spaces in the user interface. The correct string is
displayed in the mouseover popup (DEF34333).

Data logged before the 2.2.0.0 release is installed is retained. In case of older data,
mail log search results show No policy rules triggered as a
policy name. The correct reason is still indicated for quarantined or discarded mail.

If a policy rule description is changed, the description is not updated retroactively
for previously logged data, which displays the original rule description.

In some instances, a message with multiple recipients may have end-user specific
settings. Such messages are split and sent to several destinations. In this case, a mail
log search only displays the last triggered policy rule triggered; this may not be
accurate.

When there are several pages of entries in a list editor, navigating to a different
page of entries may work inconsistently (DEF16451).

Some thirteen-week reports do not return accurate results for timezones other than GMT
(DEF16754).

When a message has multiple recipients, duplicate Scanned lines may appear when
performing a mail log search (DEF16648).

If you enter an invalid static IP address when using the Install
Wizard, it is not possible to continue to the next page of the wizard
(DEF16328).

When the maximum number of rules (20 for anti-spam and anti-virus and 40 for content)
has been exceeded, the Add button is disabled. Then, if a rule is
deleted, the Add button is not re-enabled (DEF16221).

An error is displayed if the Port field is cleared when trying
to remove a previously configured outbound mail proxy (Configuration > Routing > Internal Mail Hosts). However, clearing the Hostname field, but leaving
the Port field filled results in the outbound mail proxy being
cleared (DEF15111).

When configuring the Users & Groups page in the
Policy Wizard, it is possible to add an
Available group to the list of Selected
groups on either the Include Recipient or
Exclude Recipient tab. If this group is not explicitly removed
from the Selected list, it will not become available in the other
tab when the user selects the Custom Groups option. This behavior
also occurs with the Include Sender and Exclude
Sender tabs in the same section (DEF15404).

After forwarding a message on the Search In page (Search > Quarantine), and then performing a new search, the status bar does not indicate the
updated number of search results (DEF16493).

Cisco PIX firewalls that use software previous to version 7 may cause the Email Appliance to experience issues connecting to other
SMTP servers. (For more information, see Disabling SMTP option in CISCO PIX firewall.) (SUG17669)

A bug in Mozilla Firefox 2.0.0.4 (#382600) may cause empty, disabled select boxes to
display XX. This has no effect on the functionality of the
Email Appliance, and this issue was resolved in later
versions of Firefox. (For more information, see When an empty select box is disabled an XX is added to it.)

Double-byte messages forwarded from quarantine may not be displayed correctly in
Microsoft Outlook (#51327).

If you need to remove or replace a hard drive in the ES4000, ES5000 or ES8000, the hard
drive must be replaced with a new, formatted hard drive. Installing an unformatted hard
drive (even if it has not failed) causes these models of the Email Appliance to lock up. After you install the
replacement hard drive, the Email Appliance mirrors and
integrates the drive in the background. This process may continue for a few hours,
depending on system load.